oj.uz

Submission #550218

# Submission time Handle Problem Language Result Execution time Memory
550218 2022-04-17T15:26:14 Z Hanksburger Horses (IOI15_horses) C++17
100 / 100
 675 ms 41868 KB 
#include "horses.h"
#include <bits/stdc++.h>
using namespace std;
const long long num=1000000001, mod=1000000007;
long long seg1[2000005], seg2[2000005], ind[2000005], x[500005], y[500005], n;
void buildSeg(long long i, long long l, long long r)
{
	if (l==r)
	{
		seg1[i]=seg2[i]=x[l];
		return;
	}
	long long mid=(l+r)/2;
	buildSeg(i*2, l, mid);
	buildSeg(i*2+1, mid+1, r);
	seg1[i]=seg1[i*2]*seg1[i*2+1]%mod;
	seg2[i]=min(num, seg2[i*2]*seg2[i*2+1]);
}
void updateSeg(long long i, long long l, long long r, long long pos, long long val)
{
	if (l==r)
	{
		seg1[i]=seg2[i]=val;
		return;
	}
	long long mid=(l+r)/2;
	if (pos<=mid)
		updateSeg(i*2, l, mid, pos, val);
	else
		updateSeg(i*2+1, mid+1, r, pos, val);
	seg1[i]=seg1[i*2]*seg1[i*2+1]%mod;
	seg2[i]=min(num, seg2[i*2]*seg2[i*2+1]);
}
long long querySeg(long long i, long long l, long long r, long long ql, long long qr, bool b)
{
	if (ql<=l && r<=qr)
	{
		if (b)
			return seg1[i];
		else
			return seg2[i];
	}
	long long mid=(l+r)/2, prod=1;
	if (l<=qr && ql<=mid)
		prod*=querySeg(i*2, l, mid, ql, qr, b);
	if (mid+1<=qr && ql<=r)
		prod*=querySeg(i*2+1, mid+1, r, ql, qr, b);
	if (b)
		return prod%mod;
	else
		return min(num, prod);
}
void buildInd(long long i, long long l, long long r)
{
	if (l==r)
	{
		ind[i]=l;
		return;
	}
	long long mid=(l+r)/2, indl, indr;
	buildInd(i*2, l, mid);
	buildInd(i*2+1, mid+1, r);
	indl=ind[i*2];
	indr=ind[i*2+1];
	if (y[indl]>querySeg(1, 0, n-1, indl+1, indr, 0)*y[indr])
		ind[i]=indl;
	else
		ind[i]=indr;
}
void updateInd(long long i, long long l, long long r, long long pos)
{
	if (l==r)
		return;
	long long mid=(l+r)/2, indl, indr;
	if (pos<=mid)
		updateInd(i*2, l, mid, pos);
	else
		updateInd(i*2+1, mid+1, r, pos);
	indl=ind[i*2];
	indr=ind[i*2+1];
	if (y[indl]>querySeg(1, 0, n-1, indl+1, indr, 0)*y[indr])
		ind[i]=indl;
	else
		ind[i]=indr;
}
long long solve()
{
	return querySeg(1, 0, n-1, 0, ind[1], 1)*y[ind[1]]%mod;
}
int init(int N, int X[], int Y[])
{
	n=N;
	for (long long i=0; i<n; i++)
		x[i]=X[i];
	for (long long i=0; i<n; i++)
		y[i]=Y[i];
	buildSeg(1, 0, n-1);
	buildInd(1, 0, n-1);
	return solve();
}
int updateX(int pos, int val)
{	
	updateSeg(1, 0, n-1, pos, val);
	updateInd(1, 0, n-1, pos);
	return solve();
}
int updateY(int pos, int val)
{
	y[pos]=val;
	updateInd(1, 0, n-1, pos);
	return solve();
}

Compilation message

horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:99:14: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   99 |  return solve();
      |         ~~~~~^~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:105:14: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
  105 |  return solve();
      |         ~~~~~^~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:111:14: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
  111 |  return solve();
      |         ~~~~~^~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 312 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 304 KB Output is correct
20 Correct 1 ms 340 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 304 KB Output is correct
11 Correct 1 ms 308 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 308 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 308 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 3 ms 340 KB Output is correct
24 Correct 3 ms 320 KB Output is correct
25 Correct 2 ms 440 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 2 ms 340 KB Output is correct
28 Correct 2 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 2 ms 340 KB Output is correct
32 Correct 2 ms 340 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 345 ms 41464 KB Output is correct
2 Correct 397 ms 41648 KB Output is correct
3 Correct 459 ms 41420 KB Output is correct
4 Correct 464 ms 41868 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 264 KB Output is correct
8 Correct 1 ms 304 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 312 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 308 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 304 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 2 ms 444 KB Output is correct
26 Correct 2 ms 340 KB Output is correct
27 Correct 2 ms 416 KB Output is correct
28 Correct 2 ms 340 KB Output is correct
29 Correct 1 ms 312 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 2 ms 320 KB Output is correct
32 Correct 2 ms 320 KB Output is correct
33 Correct 162 ms 40672 KB Output is correct
34 Correct 161 ms 40604 KB Output is correct
35 Correct 156 ms 40736 KB Output is correct
36 Correct 135 ms 40744 KB Output is correct
37 Correct 130 ms 38880 KB Output is correct
38 Correct 134 ms 39712 KB Output is correct
39 Correct 101 ms 38748 KB Output is correct
40 Correct 125 ms 40928 KB Output is correct
41 Correct 127 ms 38732 KB Output is correct
42 Correct 105 ms 38824 KB Output is correct
43 Correct 106 ms 40724 KB Output is correct
44 Correct 111 ms 40636 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 304 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 304 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 308 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 308 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 308 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 1 ms 452 KB Output is correct
27 Correct 2 ms 340 KB Output is correct
28 Correct 2 ms 320 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 316 KB Output is correct
31 Correct 2 ms 340 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 336 ms 41312 KB Output is correct
34 Correct 419 ms 41500 KB Output is correct
35 Correct 458 ms 41232 KB Output is correct
36 Correct 465 ms 41232 KB Output is correct
37 Correct 169 ms 40280 KB Output is correct
38 Correct 170 ms 40480 KB Output is correct
39 Correct 142 ms 40140 KB Output is correct
40 Correct 134 ms 40092 KB Output is correct
41 Correct 174 ms 38908 KB Output is correct
42 Correct 123 ms 39756 KB Output is correct
43 Correct 119 ms 38732 KB Output is correct
44 Correct 120 ms 39632 KB Output is correct
45 Correct 116 ms 38708 KB Output is correct
46 Correct 131 ms 38820 KB Output is correct
47 Correct 111 ms 39444 KB Output is correct
48 Correct 101 ms 39272 KB Output is correct
49 Correct 675 ms 40276 KB Output is correct
50 Correct 633 ms 40236 KB Output is correct
51 Correct 394 ms 40008 KB Output is correct
52 Correct 277 ms 39784 KB Output is correct
53 Correct 524 ms 39968 KB Output is correct
54 Correct 361 ms 39728 KB Output is correct
55 Correct 242 ms 39056 KB Output is correct
56 Correct 262 ms 39664 KB Output is correct
57 Correct 378 ms 39500 KB Output is correct
58 Correct 386 ms 39544 KB Output is correct
59 Correct 107 ms 38400 KB Output is correct